APA (7th ed.) Citation

Holmes, J. (2008). An introduction to sociolinguistics (3rd ed.). Pearson Longman.

Chicago Style (17th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. 3rd ed. Harlow, England ; New York: Pearson Longman, 2008.

MLA (8th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. 3rd ed. Pearson Longman, 2008.